class java.util.Collections$SingletonMap<K, V> extends java.util.AbstractMap<K, V> implements java.io.Serializable
  minor version: 0
  major version: 59
  flags: flags: (0x0020) ACC_SUPER
  this_class: java.util.Collections$SingletonMap
  super_class: java.util.AbstractMap
{
  private static final long serialVersionUID;
    descriptor: J
    flags: (0x001a) ACC_PRIVATE, ACC_STATIC, ACC_FINAL
    ConstantValue: -6979724477215052911

  private final K k;
    descriptor: Ljava/lang/Object;
    flags: (0x0012) ACC_PRIVATE, ACC_FINAL
    Signature: TK;

  private final V v;
    descriptor: Ljava/lang/Object;
    flags: (0x0012) ACC_PRIVATE, ACC_FINAL
    Signature: TV;

  private transient java.util.Set<K> keySet;
    descriptor: Ljava/util/Set;
    flags: (0x0082) ACC_PRIVATE, ACC_TRANSIENT
    Signature: Ljava/util/Set<TK;>;

  private transient java.util.Set<java.util.Map$Entry<K, V>> entrySet;
    descriptor: Ljava/util/Set;
    flags: (0x0082) ACC_PRIVATE, ACC_TRANSIENT
    Signature: Ljava/util/Set<Ljava/util/Map$Entry<TK;TV;>;>;

  private transient java.util.Collection<V> values;
    descriptor: Ljava/util/Collection;
    flags: (0x0082) ACC_PRIVATE, ACC_TRANSIENT
    Signature: Ljava/util/Collection<TV;>;

  void <init>(K, );
    descriptor: (Ljava/lang/Object;Ljava/lang/Object;)V
    flags: (0x0000) 
    Code:
      stack=2, locals=3, args_size=3
        start local 0 // java.util.Collections$SingletonMap this
        start local 1 // java.lang.Object key
        start local 2 // java.lang.Object value
         0: .line 4906
            aload 0 /* this */
            invokespecial java.util.AbstractMap.<init>:()V
         1: .line 4907
            aload 0 /* this */
            aload 1 /* key */
            putfield java.util.Collections$SingletonMap.k:Ljava/lang/Object;
         2: .line 4908
            aload 0 /* this */
            aload 2 /* value */
            putfield java.util.Collections$SingletonMap.v:Ljava/lang/Object;
         3: .line 4909
            return
        end local 2 // java.lang.Object value
        end local 1 // java.lang.Object key
        end local 0 // java.util.Collections$SingletonMap this
      LocalVariableTable:
        Start  End  Slot   Name  Signature
            0    4     0   this  Ljava/util/Collections$SingletonMap<TK;TV;>;
            0    4     1    key  TK;
            0    4     2  value  TV;
    Signature: (TK;TV;)V
    MethodParameters:
       Name  Flags
      key    
      value  

  public int size();
    descriptor: ()I
    flags: (0x0001) ACC_PUBLIC
    Code:
      stack=1, locals=1, args_size=1
        start local 0 // java.util.Collections$SingletonMap this
         0: .line 4911
            iconst_1
            ireturn
        end local 0 // java.util.Collections$SingletonMap this
      LocalVariableTable:
        Start  End  Slot  Name  Signature
            0    1     0  this  Ljava/util/Collections$SingletonMap<TK;TV;>;

  public boolean isEmpty();
    descriptor: ()Z
    flags: (0x0001) ACC_PUBLIC
    Code:
      stack=1, locals=1, args_size=1
        start local 0 // java.util.Collections$SingletonMap this
         0: .line 4912
            iconst_0
            ireturn
        end local 0 // java.util.Collections$SingletonMap this
      LocalVariableTable:
        Start  End  Slot  Name  Signature
            0    1     0  this  Ljava/util/Collections$SingletonMap<TK;TV;>;

  public boolean containsKey(java.lang.Object);
    descriptor: (Ljava/lang/Object;)Z
    flags: (0x0001) ACC_PUBLIC
    Code:
      stack=2, locals=2, args_size=2
        start local 0 // java.util.Collections$SingletonMap this
        start local 1 // java.lang.Object key
         0: .line 4913
            aload 1 /* key */
            aload 0 /* this */
            getfield java.util.Collections$SingletonMap.k:Ljava/lang/Object;
            invokestatic java.util.Collections.eq:(Ljava/lang/Object;Ljava/lang/Object;)Z
            ireturn
        end local 1 // java.lang.Object key
        end local 0 // java.util.Collections$SingletonMap this
      LocalVariableTable:
        Start  End  Slot  Name  Signature
            0    1     0  this  Ljava/util/Collections$SingletonMap<TK;TV;>;
            0    1     1   key  Ljava/lang/Object;
    MethodParameters:
      Name  Flags
      key   

  public boolean containsValue(java.lang.Object);
    descriptor: (Ljava/lang/Object;)Z
    flags: (0x0001) ACC_PUBLIC
    Code:
      stack=2, locals=2, args_size=2
        start local 0 // java.util.Collections$SingletonMap this
        start local 1 // java.lang.Object value
         0: .line 4914
            aload 1 /* value */
            aload 0 /* this */
            getfield java.util.Collections$SingletonMap.v:Ljava/lang/Object;
            invokestatic java.util.Collections.eq:(Ljava/lang/Object;Ljava/lang/Object;)Z
            ireturn
        end local 1 // java.lang.Object value
        end local 0 // java.util.Collections$SingletonMap this
      LocalVariableTable:
        Start  End  Slot   Name  Signature
            0    1     0   this  Ljava/util/Collections$SingletonMap<TK;TV;>;
            0    1     1  value  Ljava/lang/Object;
    MethodParameters:
       Name  Flags
      value  

  public V get();
    descriptor: (Ljava/lang/Object;)Ljava/lang/Object;
    flags: (0x0001) ACC_PUBLIC
    Code:
      stack=2, locals=2, args_size=2
        start local 0 // java.util.Collections$SingletonMap this
        start local 1 // java.lang.Object key
         0: .line 4915
            aload 1 /* key */
            aload 0 /* this */
            getfield java.util.Collections$SingletonMap.k:Ljava/lang/Object;
            invokestatic java.util.Collections.eq:(Ljava/lang/Object;Ljava/lang/Object;)Z
            ifeq 1
            aload 0 /* this */
            getfield java.util.Collections$SingletonMap.v:Ljava/lang/Object;
            goto 2
      StackMap locals:
      StackMap stack:
         1: aconst_null
      StackMap locals:
      StackMap stack: java.lang.Object
         2: areturn
        end local 1 // java.lang.Object key
        end local 0 // java.util.Collections$SingletonMap this
      LocalVariableTable:
        Start  End  Slot  Name  Signature
            0    3     0  this  Ljava/util/Collections$SingletonMap<TK;TV;>;
            0    3     1   key  Ljava/lang/Object;
    Signature: (Ljava/lang/Object;)TV;
    MethodParameters:
      Name  Flags
      key   

  public java.util.Set<K> keySet();
    descriptor: ()Ljava/util/Set;
    flags: (0x0001) ACC_PUBLIC
    Code:
      stack=2, locals=1, args_size=1
        start local 0 // java.util.Collections$SingletonMap this
         0: .line 4922
            aload 0 /* this */
            getfield java.util.Collections$SingletonMap.keySet:Ljava/util/Set;
            ifnonnull 2
         1: .line 4923
            aload 0 /* this */
            aload 0 /* this */
            getfield java.util.Collections$SingletonMap.k:Ljava/lang/Object;
            invokestatic java.util.Collections.singleton:(Ljava/lang/Object;)Ljava/util/Set;
            putfield java.util.Collections$SingletonMap.keySet:Ljava/util/Set;
         2: .line 4924
      StackMap locals:
      StackMap stack:
            aload 0 /* this */
            getfield java.util.Collections$SingletonMap.keySet:Ljava/util/Set;
            areturn
        end local 0 // java.util.Collections$SingletonMap this
      LocalVariableTable:
        Start  End  Slot  Name  Signature
            0    3     0  this  Ljava/util/Collections$SingletonMap<TK;TV;>;
    Signature: ()Ljava/util/Set<TK;>;

  public java.util.Set<java.util.Map$Entry<K, V>> entrySet();
    descriptor: ()Ljava/util/Set;
    flags: (0x0001) ACC_PUBLIC
    Code:
      stack=5, locals=1, args_size=1
        start local 0 // java.util.Collections$SingletonMap this
         0: .line 4928
            aload 0 /* this */
            getfield java.util.Collections$SingletonMap.entrySet:Ljava/util/Set;
            ifnonnull 4
         1: .line 4929
            aload 0 /* this */
         2: .line 4930
            new java.util.AbstractMap$SimpleImmutableEntry
            dup
            aload 0 /* this */
            getfield java.util.Collections$SingletonMap.k:Ljava/lang/Object;
            aload 0 /* this */
            getfield java.util.Collections$SingletonMap.v:Ljava/lang/Object;
            invokespecial java.util.AbstractMap$SimpleImmutableEntry.<init>:(Ljava/lang/Object;Ljava/lang/Object;)V
         3: .line 4929
            invokestatic java.util.Collections.singleton:(Ljava/lang/Object;)Ljava/util/Set;
            putfield java.util.Collections$SingletonMap.entrySet:Ljava/util/Set;
         4: .line 4931
      StackMap locals:
      StackMap stack:
            aload 0 /* this */
            getfield java.util.Collections$SingletonMap.entrySet:Ljava/util/Set;
            areturn
        end local 0 // java.util.Collections$SingletonMap this
      LocalVariableTable:
        Start  End  Slot  Name  Signature
            0    5     0  this  Ljava/util/Collections$SingletonMap<TK;TV;>;
    Signature: ()Ljava/util/Set<Ljava/util/Map$Entry<TK;TV;>;>;

  public java.util.Collection<V> values();
    descriptor: ()Ljava/util/Collection;
    flags: (0x0001) ACC_PUBLIC
    Code:
      stack=2, locals=1, args_size=1
        start local 0 // java.util.Collections$SingletonMap this
         0: .line 4935
            aload 0 /* this */
            getfield java.util.Collections$SingletonMap.values:Ljava/util/Collection;
            ifnonnull 2
         1: .line 4936
            aload 0 /* this */
            aload 0 /* this */
            getfield java.util.Collections$SingletonMap.v:Ljava/lang/Object;
            invokestatic java.util.Collections.singleton:(Ljava/lang/Object;)Ljava/util/Set;
            putfield java.util.Collections$SingletonMap.values:Ljava/util/Collection;
         2: .line 4937
      StackMap locals:
      StackMap stack:
            aload 0 /* this */
            getfield java.util.Collections$SingletonMap.values:Ljava/util/Collection;
            areturn
        end local 0 // java.util.Collections$SingletonMap this
      LocalVariableTable:
        Start  End  Slot  Name  Signature
            0    3     0  this  Ljava/util/Collections$SingletonMap<TK;TV;>;
    Signature: ()Ljava/util/Collection<TV;>;

  public V getOrDefault(, );
    descriptor: (Ljava/lang/Object;Ljava/lang/Object;)Ljava/lang/Object;
    flags: (0x0001) ACC_PUBLIC
    Code:
      stack=2, locals=3, args_size=3
        start local 0 // java.util.Collections$SingletonMap this
        start local 1 // java.lang.Object key
        start local 2 // java.lang.Object defaultValue
         0: .line 4943
            aload 1 /* key */
            aload 0 /* this */
            getfield java.util.Collections$SingletonMap.k:Ljava/lang/Object;
            invokestatic java.util.Collections.eq:(Ljava/lang/Object;Ljava/lang/Object;)Z
            ifeq 1
            aload 0 /* this */
            getfield java.util.Collections$SingletonMap.v:Ljava/lang/Object;
            goto 2
      StackMap locals:
      StackMap stack:
         1: aload 2 /* defaultValue */
      StackMap locals:
      StackMap stack: java.lang.Object
         2: areturn
        end local 2 // java.lang.Object defaultValue
        end local 1 // java.lang.Object key
        end local 0 // java.util.Collections$SingletonMap this
      LocalVariableTable:
        Start  End  Slot          Name  Signature
            0    3     0          this  Ljava/util/Collections$SingletonMap<TK;TV;>;
            0    3     1           key  Ljava/lang/Object;
            0    3     2  defaultValue  TV;
    Signature: (Ljava/lang/Object;TV;)TV;
    MethodParameters:
              Name  Flags
      key           
      defaultValue  

  public void forEach(java.util.function.BiConsumer<? super K, ? super V>);
    descriptor: (Ljava/util/function/BiConsumer;)V
    flags: (0x0001) ACC_PUBLIC
    Code:
      stack=3, locals=2, args_size=2
        start local 0 // java.util.Collections$SingletonMap this
        start local 1 // java.util.function.BiConsumer action
         0: .line 4948
            aload 1 /* action */
            aload 0 /* this */
            getfield java.util.Collections$SingletonMap.k:Ljava/lang/Object;
            aload 0 /* this */
            getfield java.util.Collections$SingletonMap.v:Ljava/lang/Object;
            invokeinterface java.util.function.BiConsumer.accept:(Ljava/lang/Object;Ljava/lang/Object;)V
         1: .line 4949
            return
        end local 1 // java.util.function.BiConsumer action
        end local 0 // java.util.Collections$SingletonMap this
      LocalVariableTable:
        Start  End  Slot    Name  Signature
            0    2     0    this  Ljava/util/Collections$SingletonMap<TK;TV;>;
            0    2     1  action  Ljava/util/function/BiConsumer<-TK;-TV;>;
    Signature: (Ljava/util/function/BiConsumer<-TK;-TV;>;)V
    MethodParameters:
        Name  Flags
      action  

  public void replaceAll(java.util.function.BiFunction<? super K, ? super V, ? extends V>);
    descriptor: (Ljava/util/function/BiFunction;)V
    flags: (0x0001) ACC_PUBLIC
    Code:
      stack=2, locals=2, args_size=2
        start local 0 // java.util.Collections$SingletonMap this
        start local 1 // java.util.function.BiFunction function
         0: .line 4953
            new java.lang.UnsupportedOperationException
            dup
            invokespecial java.lang.UnsupportedOperationException.<init>:()V
            athrow
        end local 1 // java.util.function.BiFunction function
        end local 0 // java.util.Collections$SingletonMap this
      LocalVariableTable:
        Start  End  Slot      Name  Signature
            0    1     0      this  Ljava/util/Collections$SingletonMap<TK;TV;>;
            0    1     1  function  Ljava/util/function/BiFunction<-TK;-TV;+TV;>;
    Signature: (Ljava/util/function/BiFunction<-TK;-TV;+TV;>;)V
    MethodParameters:
          Name  Flags
      function  

  public V putIfAbsent(K, );
    descriptor: (Ljava/lang/Object;Ljava/lang/Object;)Ljava/lang/Object;
    flags: (0x0001) ACC_PUBLIC
    Code:
      stack=2, locals=3, args_size=3
        start local 0 // java.util.Collections$SingletonMap this
        start local 1 // java.lang.Object key
        start local 2 // java.lang.Object value
         0: .line 4958
            new java.lang.UnsupportedOperationException
            dup
            invokespecial java.lang.UnsupportedOperationException.<init>:()V
            athrow
        end local 2 // java.lang.Object value
        end local 1 // java.lang.Object key
        end local 0 // java.util.Collections$SingletonMap this
      LocalVariableTable:
        Start  End  Slot   Name  Signature
            0    1     0   this  Ljava/util/Collections$SingletonMap<TK;TV;>;
            0    1     1    key  TK;
            0    1     2  value  TV;
    Signature: (TK;TV;)TV;
    MethodParameters:
       Name  Flags
      key    
      value  

  public boolean remove(java.lang.Object, java.lang.Object);
    descriptor: (Ljava/lang/Object;Ljava/lang/Object;)Z
    flags: (0x0001) ACC_PUBLIC
    Code:
      stack=2, locals=3, args_size=3
        start local 0 // java.util.Collections$SingletonMap this
        start local 1 // java.lang.Object key
        start local 2 // java.lang.Object value
         0: .line 4963
            new java.lang.UnsupportedOperationException
            dup
            invokespecial java.lang.UnsupportedOperationException.<init>:()V
            athrow
        end local 2 // java.lang.Object value
        end local 1 // java.lang.Object key
        end local 0 // java.util.Collections$SingletonMap this
      LocalVariableTable:
        Start  End  Slot   Name  Signature
            0    1     0   this  Ljava/util/Collections$SingletonMap<TK;TV;>;
            0    1     1    key  Ljava/lang/Object;
            0    1     2  value  Ljava/lang/Object;
    MethodParameters:
       Name  Flags
      key    
      value  

  public boolean replace(K, V, );
    descriptor: (Ljava/lang/Object;Ljava/lang/Object;Ljava/lang/Object;)Z
    flags: (0x0001) ACC_PUBLIC
    Code:
      stack=2, locals=4, args_size=4
        start local 0 // java.util.Collections$SingletonMap this
        start local 1 // java.lang.Object key
        start local 2 // java.lang.Object oldValue
        start local 3 // java.lang.Object newValue
         0: .line 4968
            new java.lang.UnsupportedOperationException
            dup
            invokespecial java.lang.UnsupportedOperationException.<init>:()V
            athrow
        end local 3 // java.lang.Object newValue
        end local 2 // java.lang.Object oldValue
        end local 1 // java.lang.Object key
        end local 0 // java.util.Collections$SingletonMap this
      LocalVariableTable:
        Start  End  Slot      Name  Signature
            0    1     0      this  Ljava/util/Collections$SingletonMap<TK;TV;>;
            0    1     1       key  TK;
            0    1     2  oldValue  TV;
            0    1     3  newValue  TV;
    Signature: (TK;TV;TV;)Z
    MethodParameters:
          Name  Flags
      key       
      oldValue  
      newValue  

  public V replace(K, );
    descriptor: (Ljava/lang/Object;Ljava/lang/Object;)Ljava/lang/Object;
    flags: (0x0001) ACC_PUBLIC
    Code:
      stack=2, locals=3, args_size=3
        start local 0 // java.util.Collections$SingletonMap this
        start local 1 // java.lang.Object key
        start local 2 // java.lang.Object value
         0: .line 4973
            new java.lang.UnsupportedOperationException
            dup
            invokespecial java.lang.UnsupportedOperationException.<init>:()V
            athrow
        end local 2 // java.lang.Object value
        end local 1 // java.lang.Object key
        end local 0 // java.util.Collections$SingletonMap this
      LocalVariableTable:
        Start  End  Slot   Name  Signature
            0    1     0   this  Ljava/util/Collections$SingletonMap<TK;TV;>;
            0    1     1    key  TK;
            0    1     2  value  TV;
    Signature: (TK;TV;)TV;
    MethodParameters:
       Name  Flags
      key    
      value  

  public V computeIfAbsent(K, java.util.function.Function<? super K, ? extends V>);
    descriptor: (Ljava/lang/Object;Ljava/util/function/Function;)Ljava/lang/Object;
    flags: (0x0001) ACC_PUBLIC
    Code:
      stack=2, locals=3, args_size=3
        start local 0 // java.util.Collections$SingletonMap this
        start local 1 // java.lang.Object key
        start local 2 // java.util.function.Function mappingFunction
         0: .line 4979
            new java.lang.UnsupportedOperationException
            dup
            invokespecial java.lang.UnsupportedOperationException.<init>:()V
            athrow
        end local 2 // java.util.function.Function mappingFunction
        end local 1 // java.lang.Object key
        end local 0 // java.util.Collections$SingletonMap this
      LocalVariableTable:
        Start  End  Slot             Name  Signature
            0    1     0             this  Ljava/util/Collections$SingletonMap<TK;TV;>;
            0    1     1              key  TK;
            0    1     2  mappingFunction  Ljava/util/function/Function<-TK;+TV;>;
    Signature: (TK;Ljava/util/function/Function<-TK;+TV;>;)TV;
    MethodParameters:
                 Name  Flags
      key              
      mappingFunction  

  public V computeIfPresent(K, java.util.function.BiFunction<? super K, ? super V, ? extends V>);
    descriptor: (Ljava/lang/Object;Ljava/util/function/BiFunction;)Ljava/lang/Object;
    flags: (0x0001) ACC_PUBLIC
    Code:
      stack=2, locals=3, args_size=3
        start local 0 // java.util.Collections$SingletonMap this
        start local 1 // java.lang.Object key
        start local 2 // java.util.function.BiFunction remappingFunction
         0: .line 4985
            new java.lang.UnsupportedOperationException
            dup
            invokespecial java.lang.UnsupportedOperationException.<init>:()V
            athrow
        end local 2 // java.util.function.BiFunction remappingFunction
        end local 1 // java.lang.Object key
        end local 0 // java.util.Collections$SingletonMap this
      LocalVariableTable:
        Start  End  Slot               Name  Signature
            0    1     0               this  Ljava/util/Collections$SingletonMap<TK;TV;>;
            0    1     1                key  TK;
            0    1     2  remappingFunction  Ljava/util/function/BiFunction<-TK;-TV;+TV;>;
    Signature: (TK;Ljava/util/function/BiFunction<-TK;-TV;+TV;>;)TV;
    MethodParameters:
                   Name  Flags
      key                
      remappingFunction  

  public V compute(K, java.util.function.BiFunction<? super K, ? super V, ? extends V>);
    descriptor: (Ljava/lang/Object;Ljava/util/function/BiFunction;)Ljava/lang/Object;
    flags: (0x0001) ACC_PUBLIC
    Code:
      stack=2, locals=3, args_size=3
        start local 0 // java.util.Collections$SingletonMap this
        start local 1 // java.lang.Object key
        start local 2 // java.util.function.BiFunction remappingFunction
         0: .line 4991
            new java.lang.UnsupportedOperationException
            dup
            invokespecial java.lang.UnsupportedOperationException.<init>:()V
            athrow
        end local 2 // java.util.function.BiFunction remappingFunction
        end local 1 // java.lang.Object key
        end local 0 // java.util.Collections$SingletonMap this
      LocalVariableTable:
        Start  End  Slot               Name  Signature
            0    1     0               this  Ljava/util/Collections$SingletonMap<TK;TV;>;
            0    1     1                key  TK;
            0    1     2  remappingFunction  Ljava/util/function/BiFunction<-TK;-TV;+TV;>;
    Signature: (TK;Ljava/util/function/BiFunction<-TK;-TV;+TV;>;)TV;
    MethodParameters:
                   Name  Flags
      key                
      remappingFunction  

  public V merge(K, V, java.util.function.BiFunction<? super V, ? super V, ? extends V>);
    descriptor: (Ljava/lang/Object;Ljava/lang/Object;Ljava/util/function/BiFunction;)Ljava/lang/Object;
    flags: (0x0001) ACC_PUBLIC
    Code:
      stack=2, locals=4, args_size=4
        start local 0 // java.util.Collections$SingletonMap this
        start local 1 // java.lang.Object key
        start local 2 // java.lang.Object value
        start local 3 // java.util.function.BiFunction remappingFunction
         0: .line 4997
            new java.lang.UnsupportedOperationException
            dup
            invokespecial java.lang.UnsupportedOperationException.<init>:()V
            athrow
        end local 3 // java.util.function.BiFunction remappingFunction
        end local 2 // java.lang.Object value
        end local 1 // java.lang.Object key
        end local 0 // java.util.Collections$SingletonMap this
      LocalVariableTable:
        Start  End  Slot               Name  Signature
            0    1     0               this  Ljava/util/Collections$SingletonMap<TK;TV;>;
            0    1     1                key  TK;
            0    1     2              value  TV;
            0    1     3  remappingFunction  Ljava/util/function/BiFunction<-TV;-TV;+TV;>;
    Signature: (TK;TV;Ljava/util/function/BiFunction<-TV;-TV;+TV;>;)TV;
    MethodParameters:
                   Name  Flags
      key                
      value              
      remappingFunction  

  public int hashCode();
    descriptor: ()I
    flags: (0x0001) ACC_PUBLIC
    Code:
      stack=2, locals=1, args_size=1
        start local 0 // java.util.Collections$SingletonMap this
         0: .line 5002
            aload 0 /* this */
            getfield java.util.Collections$SingletonMap.k:Ljava/lang/Object;
            invokestatic java.util.Objects.hashCode:(Ljava/lang/Object;)I
            aload 0 /* this */
            getfield java.util.Collections$SingletonMap.v:Ljava/lang/Object;
            invokestatic java.util.Objects.hashCode:(Ljava/lang/Object;)I
            ixor
            ireturn
        end local 0 // java.util.Collections$SingletonMap this
      LocalVariableTable:
        Start  End  Slot  Name  Signature
            0    1     0  this  Ljava/util/Collections$SingletonMap<TK;TV;>;
}
Signature: <K:Ljava/lang/Object;V:Ljava/lang/Object;>Ljava/util/AbstractMap<TK;TV;>;Ljava/io/Serializable;
SourceFile: "Collections.java"
NestHost: java.util.Collections
InnerClasses:
  public SimpleImmutableEntry = java.util.AbstractMap$SimpleImmutableEntry of java.util.AbstractMap
  private SingletonMap = java.util.Collections$SingletonMap of java.util.Collections
  public abstract Entry = java.util.Map$Entry of java.util.Map